Digital Terrain Model is a general designation of space topographical data set, and it is the digital description with the figure of space position and topographical attributive character.
数字地形模型是空间地形数据集合的统称，是具有空间位置特征和地形属性特征的数字描述。
In addition, a pipe network description language for water supply system is designed to locate pipe networks in city terrain map.
给出一个管网系统(供水)的管网图形描述语言，使管网系统能快速准确地定位于地形图上。
This article gives a brief description about the structure, actuality of research and development of Terrain Follow Radar.
本文概要介绍了地形跟随雷达的系统构成、研究现状和发展趋势。
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